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प्रश्न
When aqueous solution of borax is acidified with hydrochloric acid, a white crystalline solid is formed which is soapy to touch. Is this solid acidic or basic in nature? Explain.
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उत्तर
When aqueous solution of borax is acidified with hydrochloric acid, boric acid is produced. As the name says, boric acid is acidic in nature but weak acid. Unlike protonic acid, boric acid is monobasic acid,
It accepts electrons from the hydroxyl group of water and forms [B(OH4]–.
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संबंधित प्रश्न
Is boric acid a protic acid? Explain.
Explain what happens when boric acid is heated.
Explain the Structure of Boric Acid.
Explain the following reaction.
Hydrated alumina is treated with aqueous NaOH solution.
A certain salt X, gives the following results.
- Its aqueous solution is alkaline to litmus.
- It swells up to a glassy material Y on strong heating.
- When conc. H2SO4 is added to a hot solution of X, white crystal of an acid Z separates out.
Write equations for all the above reactions and identify X, Y and Z.
Write a balanced equation for \[\ce{H3BO3 ->[\Delta]}\]?
Boric acid is polymeric due to ______.
An aqueous solution of borax is _______.
What are boranes? Give chemical equation for the preparation of diborane.
Which of the following is a FALSE statement about boric acid, \[\ce{H3BO3}\]?
Which is correct statement about diborane structure?
Boric acid heated to red hot gives ______.
Which of the following compounds are formed when boron trichloride is treated with water?
Boron reacts with nitric acid to form ______.
When aqueous solution of AICl3 is concentrated, it furnishes crystals of ______.
Which one of the following methods is used to prepare borax crystals?
Boric acid (H3BO3) is ______.
